<template>
  <div>
    <p>
      <vxe-button @click="loadList(5)">5行</vxe-button>
      <vxe-button @click="loadList(1000)">1k行</vxe-button>
      <vxe-button @click="loadList(10000)">1w行</vxe-button>
      <vxe-button @click="loadList(100000)">10w行</vxe-button>
      <vxe-button @click="loadList(500000)">50w行</vxe-button>
      <vxe-button @click="loadList(1000000)">100w行</vxe-button>
      <vxe-button @click="loadList(2000000)">200w行</vxe-button>
    </p>
    <vxe-grid ref="gridRef" v-bind="gridOptions"></vxe-grid>
  </div>
</template>

<script lang="ts" setup>
import { ref, reactive } from 'vue'
import { VxeUI, VxeGridProps, VxeGridInstance } from 'vxe-table'

interface RowVO {
  id: number
  name: string
  role: string
  num: number
  address: string
}

const gridRef = ref<VxeGridInstance<RowVO>>()

const gridOptions = reactive<VxeGridProps<RowVO>>({
  border: true,
  showOverflow: true,
  showHeaderOverflow: true,
  showFooterOverflow: true,
  height: 800,
  loading: false,
  columnConfig: {
    resizable: true
  },
  virtualYConfig: {
    enabled: true,
    gt: 0
  },
  columns: [
    { type: 'checkbox', width: 60 },
    { type: 'seq', title: '序号', width: 100 },
    { field: 'name', title: 'Name', minWidth: 180 },
    { field: 'role', title: 'Role', width: 200 },
    { field: 'num', title: 'Num', width: 200 },
    { field: 'address', title: 'Address', width: 200 }
  ],
  data: []
})

// 模拟行数据
const loadList = (size = 200) => {
  gridOptions.loading = true
  setTimeout(() => {
    const dataList: RowVO[] = []
    for (let i = 0; i < size; i++) {
      dataList.push({
        id: i,
        name: `名称${i} 名称名称 称`,
        role: `role ${i}`,
        num: 20,
        address: 'shenzhen shen'
      })
    }

    const $grid = gridRef.value
    if ($grid) {
      const startTime = Date.now()
      $grid.reloadData(dataList).then(() => {
        VxeUI.modal.message({
          content: `加载时间 ${Date.now() - startTime} 毫秒`,
          status: 'success'
        })
        gridOptions.loading = false
      })
    }
  }, 350)
}

loadList(500)
</script>
